In the market for widgets, the supply curve is the typical upward-sloping straight line, and the demand curve is the typical downward-sloping straight line. the equilibrium quantity in the market for widgets is 250 per month when there is no tax. then a tax of $6 per widget is imposed. as a result, the government is able to raise $750 per month in tax revenue. we can conclude that the after-tax quantity of widgets has fallen by
a. 25 per month.
b. 50 per month.
c. 75 per month.
d. 100 per month.